| Business | Phone |
| Main Street Wireless 120 S Main St, Adrian 49221 | (517) 264-6100 |
| Cellular World 1357 S Main St, Adrian 49221 | (517) 266-9084 |
| Centennial Wireless 340 S Main St 310, Adrian 49221 | (517) 264-8005 |
| One Stop 905 N Main St, Adrian 49221 | (517) 266-1110 |
| Wireless Authority 1065 S Main St, Adrian 49221 | (517) 266-1445 |